Figure 2.2.1.1

Helliwell, J. R.

doi:10.1107/97809553602060000577

International
Tables for
Crystallography
Volume C
Mathematical, physical and chemical tables
Edited by E. Prince

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International Tables for Crystallography (2006). Vol. C. ch. 2.2, p. 27

Figure 2.2.1.1

J. R. Helliwell^a

^a Department of Chemistry, University of Manchester, Manchester M13 9PL, England

Figure 2.2.1.1

Laue geometry. A polychromatic beam containing wavelengths λ_min to λ_max impinges on the crystal sample. The resolution sphere of radius $[d^*_{\rm max} = 1/d_{\rm min}]$ is drawn centred at O, the origin of reciprocal space. Any reciprocal-lattice point falling in the shaded region is stimulated. In this diagram, the radius of each Ewald sphere uses the convention 1/λ.